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给水厂污泥对有机磷的吸附特性分析

仇付国 刘玉君 赵爽 付昆明 曹秀芹

仇付国, 刘玉君, 赵爽, 付昆明, 曹秀芹. 给水厂污泥对有机磷的吸附特性分析[J]. 环境工程, 2021, 39(1): 40-46. doi: 10.13205/j.hjgc.202101005
引用本文: 仇付国, 刘玉君, 赵爽, 付昆明, 曹秀芹. 给水厂污泥对有机磷的吸附特性分析[J]. 环境工程, 2021, 39(1): 40-46. doi: 10.13205/j.hjgc.202101005
QIU Fu-guo, LIU Yu-jun, ZHAO Shuang, FU Kun-ming, CAO Xiu-qin. ADSORPTION PROPERTIES OF ORGANIC PHOSPHORUS IN WATER BY WATER TREATMENT RESIDUAL[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(1): 40-46. doi: 10.13205/j.hjgc.202101005
Citation: QIU Fu-guo, LIU Yu-jun, ZHAO Shuang, FU Kun-ming, CAO Xiu-qin. ADSORPTION PROPERTIES OF ORGANIC PHOSPHORUS IN WATER BY WATER TREATMENT RESIDUAL[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(1): 40-46. doi: 10.13205/j.hjgc.202101005

给水厂污泥对有机磷的吸附特性分析

doi: 10.13205/j.hjgc.202101005
基金项目: 

住房城乡建设部科学技术项目(K42016090);北京建筑大学市属高校基本科研业务费专项资金资助(X18182)。

详细信息
    作者简介:

    仇付国(1974-),男,教授,工学博士,主要研究方向为水处理理论与技术,环境污染物健康风险评价。qiufuguo@bucea.edu.cn

    通讯作者:

    仇付国(1974-),男,教授,工学博士,主要研究方向为水处理理论与技术,环境污染物健康风险评价。qiufuguo@bucea.edu.cn

ADSORPTION PROPERTIES OF ORGANIC PHOSPHORUS IN WATER BY WATER TREATMENT RESIDUAL

  • 摘要: 通过批次试验对给水厂铝污泥吸附单磷酸腺苷的动力学、热力学和吸附等温模型进行研究,分析了初始磷浓度、温度和粒径对单磷酸腺苷(AMP)吸附的影响。试验结果表明:酸性和中性pH条件有利于铝污泥对AMP的吸附,粒径越小,吸附量越大,从实际应用的角度考虑,粒径1.0~2.0 mm的污泥最适合实际应用。准二级动力学模型能够很好地模拟铝污泥对单磷酸腺苷的吸附过程,表明吸附主要以化学吸附为主。Langmuir等温吸附模型能很好地描述铝污泥对单磷酸腺苷的吸附平衡。热力学分析表明,吸附过程为自发、吸热和熵增的过程。对红外光谱的分析表明,铝污泥吸附单磷酸腺苷的过程中有与Al相连的羟基的丢失以及Al—O—P键的增加,这一现象会随着初始磷浓度的增加而加剧,表明铝污泥主要是通过配体交换吸附单磷酸腺苷。
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出版历程
  • 收稿日期:  2019-11-06
  • 网络出版日期:  2021-04-23

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